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Biochimie. 1979;61(5-6):701-4.

Chemical basis of the electrophoretic variation observed at the alcohol dehydrogenase locus of Drosophila melanogaster.

Abstract

The amino acid substitution responsible for the different electrophoretic mobility of the ADHs alleloenzyme and the ADHf alleloenzyme of the alcohol dehydrogenase from a Nigerian population of Drosophila melanogaster has been established as lysine (ADHs) for threonine (ADHf). This result is discussed with reference to the charge state model of electrophoretic variation, in conjunction with other know substitutions at this locus. It is concluded that electrophoretic methods should be capable of distinguishing many alleloenzymes which have identical isoelectric points without recourse to explanations involving conformational variability.

PMID:
115502
[Indexed for MEDLINE]

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